Aluminosilicates

C - Chemistry – Metallurgy – 01 – B

Patent

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Details

C01B 39/28 (2006.01) C11D 3/08 (2006.01) C11D 3/12 (2006.01) C01B 39/18 (2006.01)

Patent

CA 2227440

P-type zeolite having the oxide formula M2/n, Al2O3, (1.8-2.66) SiO2, y H2O and having a Calcium Binding Capacity of between 100 and 145 mg/g, preferably between 110 and 140 and a Calcium uptake rate of between 12 and 100 seconds, preferably below 50 seconds can be prepared from metakaolin.

La présente invention se rapporte à une zéolithe de type P, ayant pour formule d'oxyde M>2/n<, Al>2<O>3<, (1,8-2,66) SiO>2<, y H>2<O, et ayant un pouvoir de fixation calcique compris entre 100 et 145 mg/g, de préférence 110 et 140, ainsi qu'une vitesse d'absorption calcique compris entre 12 et 100 secondes, de préférence inférieure à 50 secondes. Cette zéolithe peut être obtenue à partir du métakaolin.

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